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lint.go
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lint.go
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"errors"
"strings"
"unicode"
"github.com/open-telemetry/opentelemetry-collector-contrib/cmd/mdatagen/third_party/golint"
)
// formatIdentifier variable in a go-safe way
func formatIdentifier(s string, exported bool) (string, error) {
if s == "" {
return "", errors.New("string cannot be empty")
}
// Convert various characters to . for strings.Title to operate on.
replace := strings.NewReplacer("_", ".", "-", ".", "<", ".", ">", ".", "/", ".", ":", ".")
str := replace.Replace(s)
str = strings.Title(str)
str = strings.ReplaceAll(str, ".", "")
var word string
var output string
// Fixup acronyms to make lint happy.
for idx, r := range str {
if idx == 0 {
if exported {
r = unicode.ToUpper(r)
} else {
r = unicode.ToLower(r)
}
}
if unicode.IsUpper(r) || unicode.IsNumber(r) {
// If the current word is an acronym and it's either exported or it's not the
// beginning of an unexported variable then upper case it.
if golint.Acronyms[strings.ToUpper(word)] && (exported || output != "") {
output += strings.ToUpper(word)
word = string(r)
} else {
output += word
word = string(r)
}
} else {
word += string(r)
}
}
if golint.Acronyms[strings.ToUpper(word)] && output != "" {
output += strings.ToUpper(word)
} else {
output += word
}
// Remove white spaces
output = strings.Join(strings.Fields(output), "")
return output, nil
}